Extra fields are used to display extra information about the location in info-window by using custom placeholders. WP Google map allows you to create unlimited extra fields and display them in the info window.

Display extra fields

Step 1: First you can create Extra Field from Extra Field link.

Step 2: After add extra field in location, Go to Add or Edit Map page and scroll down to ‘Info window Message for Locations / Listing Item Skin’ section and use placeholders in ‘Info window Message’ HTML input field.
* Use {extra_field} to display extra field, in the info window content.
In this e.g, You can use the extra field as:
Rating – {rating}
Hours – {hours}
Website – {website}

Step 3: click Save Map and your Location infowindow & Listing looks like :